One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,5)(3,4,11,8)(6,13,14,9)(10,15,16,12)(17,18,23,21)(19,24,22,29)(20,25,27,30)(26,31,28,32)(33,34,39,40)(35,43,44,41)(36,46,45,42)(37,38,47,48)(1,3,7,11)(2,8,5,4)(6,10,14,16)(9,15,13,12)(17,19,23,22)(18,24,21,29)(20,26,27,28)(25,31,30,32)(34,40)(35,44)(37,47)(42,46)(2,5)(4,8)(6,14)(10,16)(18,21)(19,22)(20,27)(31,32)(33,35,39,44)(34,41,40,43)(36,37,45,47)(38,46,48,42)(1,4)(2,3)(5,11)(6,12)(7,8)(9,10)(13,16)(14,15)(17,20)(18,25)(19,26)(21,30)(22,28)(23,27)(24,31)(29,32)(33,36,39,45)(34,42,40,46)(35,37,44,47)(38,43,48,41)(1,5,7,2)(3,8,11,4)(6,13,14,9)(10,15,16,12)(17,21,23,18)(19,24,22,29)(20,25,27,30)(26,32,28,31)(33,37)(34,38)(35,45)(36,44)(39,47)(40,48)(41,46)(42,43)(1,6)(2,9)(3,10)(4,12)(5,13)(7,14)(8,15)(11,16)(17,22,23,19)(18,24,21,29)(20,28,27,26)(25,31,30,32)(33,38)(34,37)(35,46)(36,43)(39,48)(40,47)(41,45)(42,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.